Good news on "C" mission SPS burns

The following is a verbatim copy of a note to me from Rick Nobles (MPAD). I thought it was worth distributing.

"The cross axis velocity errors resulting from SPS mistrim (CSM alone) will be about one half of what was previously anticipated. The reduction in error is due to the new DAP filter constants that the G&CD is recommending for the "C" mission erasable load. The only adverse effect is the mission planning that has been done to date."

Terms & Abbreviations


Command-Service Module.


Digital Autopilot.


Mission Planning and Analysis Division (part of MSC).


Service Propulsion System, the large engine of the Service Module that was used to enter and exit lunar orbit, as well as make course corrections while going to and from the moon.